Normal labor (ordinary delivery)

This is a brief video on normal labor, or ordinary childbirth occurring in four stages at 37-42 weeks of gestation. I created this presentation with Google Slides. Images were created or taken from Wikimedia Commons I created this video with the YouTube Video Editor. ADDITIONAL TAGS: Stages of normal labor: Stage 1 Stage 2 Stage 3 “Stage 4” Postnatal By OpenStax College - Anatomy & Physiology, Connexions Web site. , Jun 19, 2013., CC BY 3.0, Monitor fetal heart rate, contractions, and cervical changes Ensure contractions 200 Montevideo units Latent phase (aka quiescent phase, prodromal labor, pre-labor) Begins when woman feels regular contractions Cervix dilates 0 to 4-6 cm in up to 20 hrs (nulliparous) or 14 hrs (multi) Cervical effacement (thinning and stretching from disulfide bonds breaking) near complete Active phase Cervix dilates 6 to 10 cm at 1.2 cm/hr (nulli) or 1.5 cm/hr (multi) Length of active phase de